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Weather in Mariehamn for January 2026

Your guide to Mariehamn weather in January - trends and predictions

    Snow Forecast ❄️

  • The climate of Mariehamn in January is quite snowy, averaging 15 snowy days.

    • Temperatures

  • In general, the average temperature in Mariehamn at the beginning of January is -0.1 °C. As the month progressed, temperatures tended to noticeably warm up, reaching an average of 2.1 °C by the end of January.

Average dry days
7
Dry days
Average rainy days
9
Rainy days
Average snowy days
15
Snow days
Average temperatures
1°/-1°
Temperatures
Average wind speed
40 km/h
Avg max wind
Average humidity
85 %
Avg humidity

Mariehamn Weather January

Move between months or click on a day
December
February
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Overcast
2°
2
Heavy rain at times
1°
3
Light freezing rain
-1°
4
Overcast
-2°
5
Overcast
-1°
6
Overcast
-1°
7
Light freezing rain
1°
8
Moderate rain at times
2°
9
Moderate rain at times
2°
10
Moderate rain at times
2°
11
Moderate rain at times
3°
12
Patchy rain possible
2°
13
Heavy rain at times
2°
14
Patchy rain possible
2°
15
Overcast
0°
16
Patchy rain possible
1°
17
Moderate rain at times
2°
18
Patchy rain possible
2°
19
Overcast
0°
20
Overcast
1°
21
Sunny
2°
22
Sunny
2°
23
Sunny
2°
24
Overcast
2°
25
Overcast
2°
26
Overcast
2°
27
Partly cloudy
2°
28
Patchy rain possible
2°
29
Overcast
3°
30
Light freezing rain
2°
31
Sunny
2°

Temperatures trend during January in Mariehamn

See the weather trend as well as the moving average line

January weather in Mariehamn day by day

Click on a date for more information
December February
Date Weather Temperatures Rain Snow More
1 Jan. Overcast
Overcast
 2° /-1° 3.9 mm 0.4 cm
2 Jan. Heavy rain at times
Heavy rain at times
 1° /-2° 2.5 mm 0 cm
3 Jan. Light freezing rain
Light freezing rain
 -1° /-3° 1.8 mm 1.2 cm
4 Jan. Overcast
Overcast
 -2° /-3° 0.6 mm 0 cm
5 Jan. Overcast
Overcast
 -1° /-4° 0.1 mm 0 cm
6 Jan. Overcast
Overcast
 -1° /-4° 2.3 mm 0.2 cm
7 Jan. Light freezing rain
Light freezing rain
 1° /-2° 2.6 mm 0 cm
8 Jan. Moderate rain at times
Moderate rain at times
 2° /-2° 2.7 mm 0 cm
9 Jan. Moderate rain at times
Moderate rain at times
 2° /0° 2.6 mm 0.5 cm
10 Jan. Moderate rain at times
Moderate rain at times
 2° /0° 2.3 mm 0.2 cm
11 Jan. Moderate rain at times
Moderate rain at times
 3° /-1° 5 mm 0 cm
12 Jan. Patchy rain possible
Patchy rain possible
 2° /-1° 1.5 mm 0.4 cm
13 Jan. Heavy rain at times
Heavy rain at times
 2° /-1° 2.6 mm 0 cm
14 Jan. Patchy rain possible
Patchy rain possible
 2° /-1° 1.8 mm 0.3 cm
15 Jan. Overcast
Overcast
 0° /-3° 2.9 mm 0 cm
16 Jan. Patchy rain possible
Patchy rain possible
 1° /-2° 1 mm 0.4 cm
17 Jan. Moderate rain at times
Moderate rain at times
 2° /-2° 4.1 mm 0 cm
18 Jan. Patchy rain possible
Patchy rain possible
 2° /-2° 2 mm 0.7 cm
19 Jan. Overcast
Overcast
 0° /-2° 0.4 mm 0 cm
20 Jan. Overcast
Overcast
 1° /-3° 0 mm 0 cm
21 Jan. Sunny
Sunny
 2° /-1° 0.4 mm 0 cm
22 Jan. Sunny
Sunny
 2° /0° 2.6 mm 0.1 cm
23 Jan. Sunny
Sunny
 2° /0° 1.6 mm 0.2 cm
24 Jan. Overcast
Overcast
 2° /0° 2.8 mm 0.5 cm
25 Jan. Overcast
Overcast
 2° /0° 1.7 mm 0.4 cm
26 Jan. Overcast
Overcast
 2° /-1° 0.2 mm 0 cm
27 Jan. Partly cloudy
Partly cloudy
 2° /0° 1.4 mm 0.7 cm
28 Jan. Patchy rain possible
Patchy rain possible
 2° /0° 0.4 mm 0 cm
29 Jan. Overcast
Overcast
 3° /1° 4.5 mm 0.3 cm
30 Jan. Light freezing rain
Light freezing rain
 2° /0° 1.4 mm 0.1 cm
31 Jan. Sunny
Sunny
 2° /0° 1.1 mm 0 cm
Next
Important Notice
Our weather forecast for Mariehamn in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Mariehamn forecast closer to your planned date for the most up-to-date weather information.
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Mariehamn in January - FAQ

What are the expected maximum and minimum temperatures in Mariehamn during January?
Brace for cold days with temperatures not exceeding 1° and nights that are likely to be freezing. Winter clothing is essential for comfort and safety.
How much rainfall should be expected in Mariehamn during January?
Moderate rainfall is anticipated in Mariehamn during January, with a total of 61.1 mm spread over approximately 9 days. Considering plans for rainy days is advisable.
Will it snow in Mariehamn in January 2026?
Mariehamn experiences an average snowfall of 6.54333 cm during January, occurring over 15 days.
What are the typical wind conditions in Mariehamn during January?
The average wind speed in Mariehamn during January is 40 km/h, suggesting breezy to windy conditions, depending on your activities.

Mariehamn snow forecast January 2026

Track daily snowfall levels and discover Mariehamn’s snowy potential this January ❄️

January rainfall patterns in Mariehamn

Explore the daily rainfall trends and prepare for Mariehamns January weather 💧

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Location coordinates Where is Mariehamn?

Get accurate weather forecasts for Mariehamn, located at latitude 60.097 and longitude 19.935. Stay updated with localized weather information tailored for Mariehamn.

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